How can I know who in my PC port is COM1 and COM2?

I did a loopback test earlier and I discovered that the DB 9 pin is COM1, but I don't know which of the other ports is COM2.

Help is very appreciated.

-Sergio

The female 25 pin is the port of your printer and pin 15 video. All the these should be documented in the manual of the pc user. It is possible that Com2 is present on the card mother but not connected to the rear panel of the pc. You should be able to find documentation on the motherboard to see if this is true. All what you need is a Ribbon 8 cable pins with a header on one end and one DB9 on the other. In the contrary case, a USB-RS232 converter is a more inexpensive

Tags: NI Hardware

Similar Questions

  • My iPad was stolen and exchanged by another how can I know who is using mine

    My iPad was stolen and exchanged for another how can I know who is using it?

    You can use Find iPad to see the location of the device if it is connected to the internet

    Do NOT you go after him - give the information to the authorities

    If you have an iPad that was initially not yours - you can enter - in other words - past the lock of activation?

  • How can I know the pop up notice update is legitimate and check the installation?

    How can I know the pop up notice update is legitimate and check the installation? I understand that you have to make sure that all previous updates have been removed before adding a new update.

    no adobe update must be removed or undone to install future updates.

    and what app triggers the popup?

  • Have two XP installation diskettes. How can I know who is 32-bit or 64-bit?

    I have two

    Right now I'm under XP-64 bit. I want to change to XP 32-bit.

    One of my discs said "Microsoft Office XP Small Business" and the product key begins with G364J-xxxx.

    Other discs said "Microsoft Office XP - Version 2002 - Service pack 1", but I don't see a title on the back saying product key only a heap of number beginning with 08 p 472 - U.S.-xxxx. I have not watched yet for the other stuff for XP so the product key that might be on something other int his messy desk.

    Any ideas?

    Sorry to be such a dufus. Finally, I realized that the disk Microsoft Office XP Small Business is an OFFICE with Word, Excel, etc. about it. It is NOT a disc of the operating system. Sorry for any problems this has caused.

  • How can I know which version of Firefox that I use and how to update if necessary?

    Windows XP is no longer supported by Microsoft soon. I was told that Windows update and service pack 3 will support Firefox 12. I don't know which version of Firefox I have.

    Firefox menu > help > about Firefox

    You can see your version of firefox

    Type Subject: support in URL and Enter

    • Here you can see in detail about Firefox
  • How can I know what power adapter is mine since we both have the same for macbook pro 2013?

    I mixed my adapter upward with my friend and we both have the same adapter for macbook pro and mine is almost more recent than its adapter. I need to know how can I know who is mine?

    I doubt that you can unless it adapt serial numbers or other identification on the cards.

  • Should I delete the programs of 2004? How can you know what is safe to delete?

    Original title: remove programs

    I think I have a virus.  I see on my computer a few applications with and installed as of 2004.  The computer was purchased in 2007.  When I run it in safe mode, it works fine and all applications have a date of 2007 or newer.  Should I delete the programs of 2004? How can you know what is safe to delete?

    Hello

    This is not an indication of malware. Could be those are placed on the
    computer by the manufacturer of the system and that was the date that firstly, they prepared their
    for massive installation, or if they did not set a date and be used arbitrarily.

    =============================================================

    If you need search malware here's my recommendations - they will allow you to
    scrutiny and the withdrawal without ending up with a load of spyware programs running
    resident who can cause as many questions as the malware and may be more difficult to detect as the
    cause.

    No one program cannot be used to detect and remove any malware. Added that often easy
    to detect malicious software often comes with a much harder to detect and remove the payload. Then
    its best to be thorough than paying the high price later now too. Check with them to one
    extreme overkill point and then run the cleaning only when you are sure that the system is clean.

    It can be made repeatedly in Mode safe - F8 tap that you start, however, you must also run
    the regular windows when you can.

    TDSSKiller.exe. - Download the desktop - so go ahead and right-click on it - RUN AS ADMIN
    It will display all the infections in the report after you run - if it will not run changed the name of
    TDSSKiller.exe to tdsskiller.com. If she finds something or not does not mean that you should not
    check with the other methods below.
    http://support.Kaspersky.com/viruses/solutions?QID=208280684

    Download malwarebytes and scan with it, run MRT and add Prevx to be sure that he is gone.
    (If Rootkits run UnHackMe)

    Download - SAVE - go to where you put it-right on - click RUN AS ADMIN

    Malwarebytes - free
    http://www.Malwarebytes.org/

    Run the malware removal tool from Microsoft

    Start - type in the search box-> find MRT top - right on - click RUN AS ADMIN.

    You should get this tool and its updates via Windows updates - if necessary, you can
    Download it here.

    Download - SAVE - go to where you put it-right on - click RUN AS ADMIN
    (Then run MRT as shown above.)

    Microsoft Malicious - 32-bit removal tool
    http://www.Microsoft.com/downloads/details.aspx?FamilyId=AD724AE0-E72D-4F54-9AB3-75B8EB148356&displaylang=en

    Microsoft Malicious removal tool - 64 bit
    http://www.Microsoft.com/downloads/details.aspx?FamilyId=585D2BDE-367F-495e-94E7-6349F4EFFC74&displaylang=en

    also install Prevx to be sure that it is all gone.

    Download - SAVE - go to where you put it-right on - click RUN AS ADMIN

    Prevx - Home - free - small, fast, exceptional CLOUD protection, working with others
    security programs. It is a single scanner, VERY EFFICIENT, if it finds something to come back
    here or use Google to see how to remove.
    http://www.prevx.com/   <-->
    http://info.prevx.com/downloadcsi.asp  <-->

    Choice of PCmag editor - Prevx-
    http://www.PCMag.com/Article2/0, 2817,2346862,00.asp

    Try the demo version of Hitman Pro:

    Hitman Pro is a second scanner reviews, designed to save your computer from malicious software
    (viruses, Trojans, rootkits, etc.). who infected your computer despite safe
    what you have done (such as antivirus, firewall, etc.).
    http://www.SurfRight.nl/en/hitmanpro

    --------------------------------------------------------

    If necessary here are some free online scanners to help the

    http://www.eset.com/onlinescan/

    New Vista and Windows 7 version
    http://OneCare.live.com/site/en-us/Center/whatsnew.htm

    Original version
    http://OneCare.live.com/site/en-us/default.htm

    http://www.Kaspersky.com/virusscanner

    Other tests free online
    http://www.Google.com/search?hl=en&source=HP&q=antivirus+free+online+scan&AQ=f&OQ=&AQI=G1

    --------------------------------------------------------

    Also follow these steps for the General corruption of cleaning and repair/replace damaged/missing
    system files.

    Run DiskCleanup - start - all programs - Accessories - System Tools - Disk Cleanup

    Start - type this into the search-> find COMMAND to top box and RIGHT CLICK-
    RUN AS ADMIN

    Enter this at the command prompt - sfc/scannow

    How to analyze the log file entries that the Microsoft Windows Resource Checker
    (SFC.exe) program generates in Windows Vista cbs.log
    http://support.Microsoft.com/kb/928228

    Run checkdisk - schedule it to run at the next startup, then apply OK then restart your way.

    How to run the check disk at startup in Vista
    http://www.Vistax64.com/tutorials/67612-check-disk-Chkdsk.html

    -----------------------------------------------------------------------

    If we find Rootkits use this thread and other suggestions. (Run UnHackMe)

    http://social.answers.Microsoft.com/forums/en-us/InternetExplorer/thread/a8f665f0-C793-441A-a5b9-54b7e1e7a5a4/

    I hope this helps.

  • I bought a laptop with a windows xp pro, I have the serial number, but I don't have the installation disc. How can I know which version I need? SP3 has not worked... at the moment I am testing SP1

    I bought a laptop with a windows xp pro, I have the serial number, but I don't have the installation disc. How can I know which version I need? SP3 has not worked... at the moment I am testing SP1

    I bought a laptop with a windows xp pro, I have the serial number, but I don't have the installation disc. How can I know which version I need? SP3 has not worked... at the moment I am testing SP1

    The serial number of the computer has nothing to do with the product key for Windows.

    What happened when you tried to install Xp with sp3? If you do not have the original for the computer that you use to install Windows?

    You can try to contact the manufacturer of the computer who may be able to provide the recovery disc. The disks are usually under $ 20.

  • How can you know what drivers and programs are essential and those that can be deleted without harming my computer?

    Original title: completely clueless

    I'm totally clueless when it comes to computers, but I try very hard to learn. I am using the help section a LOT, but I can't seem to find an answer to the only thing that makes me crazy. How can you know what drivers and programs are essential and those that can be deleted without harming my computer? I have a very basic net accountant I learn on before I screw up a portable more expensive and I do a cleaning on my C and D drives to improve performance because it runs so slow but it tells me I have the drivers who slow down Windows. I would greatky appreciate any assistance from someone who has the patience of a saint and is willing to take the time to explain it to me, in terms laymans. Thanks in advance

    Drivers: you should know what you bought (in your machine) and what * you * want out of it.  If you want stability and things work properly - let alone the drivers.  If you want more performance check (and other games) in the drivers of motherboard chipset and video network from the manufacturers Web site... For more stability stick with the OEM website (HP, Dell, Lenovo - the assembler of the whole machine) and slightly more performance/push the limits (even if they want to work too - so still some stability) - access to websites of its components manufacturer.

    With regard to the programs: you can decide what you use and do not use.  If you are not sure, look it up (Google) or ask.

  • How can I find who visited my site

    Hello

    How can I find who visited my site (free service)

    I do not know how much, I want to know WHO visits my site on a daily basis and what search terms they use.
    How can I get this info from google tools for webmasters or my adwords account?

    Any help appreciated

    .

    Thank you nancy for your prompt response, I doubt if I can use google analytic or freefind.com.

    which site is safe service best suited for me?

    I'm starting this thing please help me

  • How can I know all the history for any shape?

    How can I know all the background and updates on any form of user names and the time or what on the log files?

    Hello.

    On a form, the historical record is limited to the user who created the file, and when it was created, or updated.
    If you need more information, you will need to implement an audit trail.

    Octavio

  • How can I know what ram slot ram in there on my G4 imac

    OK so I have an imac G4 1 GHz version and I don't have any tools to open it to see what ram slots are empty for a ram upgrade how can I know what ram slot is free and opening the mac

    There is a user accessible memory slot. You can install a maximum of 2GBs. The memory of the plant is pre-installed.

  • How can I know what Adobe programs I need on my computer?

    My Adobe Flash Player keeps crashing. I just downloaded Flash Player Plugin from 14 and noticed that I have 5 other Adobe programs on my computer. How can I know which ones I need to keep? Those I have is:

             Acrobat.com installed 7/03/2010;
             Flash Player 13 Active X installed 5/14/2014;
             Flash Player 14 Plugin installed 7/09/2014;
             Reader X (10.1.10) installed 5/19/2014; and
             Shockwave Player 12.0 installed 9/16/2013.
    

    Given that you list the plugins installed below, any information about those do not necessary would be useful.

    You don't need everything! But if you don't there is the 'stuff' you won't be able to do on the internet or read when you download a file that needs an Adobe program or plugin.

    Flash Player 13 Active X installed 14/05/2014; = is for Internet Explorer

    Acrobat.com installed on 03/07/2010; and Reader X (10.1.10) installed on 19/05/2014; You can display the same type of files - PDF - except the old plugin for Acrobat don't is not "seen" by Firefox, maybe an IE-only to Acrobat version?

    Shockwave Player 12.0 installed 16/09/2013. = is not used too much more - I got rid of him (as) 5 or 7 years and don't even Miss

  • How can I see who is connected to my wifi network?

    How can I see who is connected to my wifi network?

    What is the brand and model of your wireless router that produces your Wi - Fi network?

  • How can I know if Migration Wizard works... I have the gray wheel on the new mac and it is after a msg error saying there was an error with iCloud (in red)

    How can I know if Migration Wizard works... I have the gray wheel on the new mac and it's after a msg error saying there was an error with iCloud (in red). What is happening with a MacBook Pro refurbished, I just got today. Thanks for any help.

    The guarantee gives the right to the free phone support for the first 90 days of ownership.

Maybe you are looking for